<?php
/***************************************************************************
 *                                posting.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   $Id: posting.php,v 1.159.2.22 2004/07/11 16:46:16 acydburn Exp $
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/
if (!eregi("modules.php", $_SERVER['SCRIPT_NAME'])) {
    die ("You can't access this file directly...");
}
if ($popup != "1"){
    $module_name = basename(dirname(__FILE__));
    require("modules/".$module_name."/nukebb.php");
    }
    else
    {
    $phpbb_root_path = 'modules/Forums/';
}

define('IN_PHPBB', true);
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);
include_once("includes/bbcode.php");
include("includes/functions_post.php");

//
// Check and set various parameters
//
$params = array('submit' => 'post', 'preview' => 'preview', 'delete' => 'delete', 'poll_delete' => 'poll_delete', 'poll_add' => 'add_poll_option', 'poll_edit' => 'edit_poll_option', 'mode' => 'mode');
while( list($var, $param) = @each($params) )
{
        if ( !empty($HTTP_POST_VARS[$param]) || !empty($HTTP_GET_VARS[$param]) )
        {
                $$var = ( !empty($HTTP_POST_VARS[$param]) ) ? $HTTP_POST_VARS[$param] : $HTTP_GET_VARS[$param];
        }
        else
        {
                $$var = '';
        }
}
$confirm = isset($HTTP_POST_VARS['confirm']) ? true : false;
$params = array('forum_id' => POST_FORUM_URL, 'topic_id' => POST_TOPIC_URL, 'post_id' => POST_POST_URL);
while( list($var, $param) = @each($params) )
{
        if ( !empty($HTTP_POST_VARS[$param]) || !empty($HTTP_GET_VARS[$param]) )
        {
                $$var = ( !empty($HTTP_POST_VARS[$param]) ) ? intval($HTTP_POST_VARS[$param]) : intval($HTTP_GET_VARS[$param]);
        }
        else
        {
                $$var = '';
        }
}

$refresh = $preview || $poll_add || $poll_edit || $poll_delete;

//
// Set topic type
//
$topic_type = ( !empty($HTTP_POST_VARS['topictype']) ) ? intval($HTTP_POST_VARS['topictype']) : POST_NORMAL;

//
// If the mode is set to topic review then output
// that review ...
//
if ( $mode == 'topicreview' )
{
        require("includes/topic_review.php");

        topic_review($topic_id, false);
        exit;
}
else if ( $mode == 'smilies' )
{
        generate_smilies('window', PAGE_POSTING);
        exit;
}

//
// Start session management
//
$userdata = session_pagestart($user_ip, PAGE_POSTING, $nukeuser);
init_userprefs($userdata);
//
// End session management
//

//
// Was cancel pressed? If so then redirect to the appropriate
// page, no point in continuing with any further checks
//
if ( isset($HTTP_POST_VARS['cancel']) )
{
        if ( $post_id )
        {
                $redirect = "viewtopic.$phpEx?" . POST_POST_URL . "=$post_id";
                $post_append = "#$post_id";
        }
        else if ( $topic_id )
        {
                $redirect = "viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id";
                $post_append = '';
        }
        else if ( $forum_id )
        {
                $redirect = "viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id";
                $post_append = '';
        }
        else
        {
                $redirect = "index.$phpEx";
                $post_append = '';
        }

        $header_location = ( @preg_match('/Microsoft|WebSTAR|Xitami/', $_SERVER['SERVER_SOFTWARE']) ) ? 'Refresh: 0; URL=' : 'Location: ';
        header($header_location . append_sid($redirect, true) . $post_append);
        exit;
}

//
// What auth type do we need to check?
//
$is_auth = array();
switch( $mode )
{
        case 'newtopic':
                if ( $topic_type == POST_ANNOUNCE )
                {
                        $is_auth_type = 'auth_announce';
                }
                else if ( $topic_type == POST_STICKY )
                {
                        $is_auth_type = 'auth_sticky';
                }
                else
                {
                        $is_auth_type = 'auth_post';
                }
                break;
        case 'reply':
        case 'quote':
                $is_auth_type = 'auth_reply';
                break;
        case 'editpost':
                $is_auth_type = 'auth_edit';
                break;
        case 'delete':
        case 'poll_delete':
                $is_auth_type = 'auth_delete';
                break;
        case 'vote':
                $is_auth_type = 'auth_vote';
                break;
        case 'topicreview':
                $is_auth_type = 'auth_read';
                break;
        default:
                message_die(GENERAL_MESSAGE, $lang['No_post_mode']);
                break;
}

//
// Here we do various lookups to find topic_id, forum_id, post_id etc.
// Doing it here prevents spoofing (eg. faking forum_id, topic_id or post_id
//
$error_msg = '';
$post_data = array();
switch ( $mode )
{
        case 'newtopic':
                if ( empty($forum_id) )
                {
                        message_die(GENERAL_MESSAGE, $lang['Forum_not_exist']);
                }

                $sql = "SELECT *
                        FROM " . FORUMS_TABLE . "
                        WHERE forum_id = '$forum_id'";
                break;

        case 'reply':
        case 'vote':
                if ( empty( $topic_id) )
                {
                        message_die(GENERAL_MESSAGE, $lang['No_topic_id']);
                }

                $sql = "SELECT f.*, t.topic_status, t.topic_title
                        FROM " . FORUMS_TABLE . " f, " . TOPICS_TABLE . " t
                        WHERE t.topic_id = '$topic_id'
                                AND f.forum_id = t.forum_id";
                break;

        case 'quote':
        case 'editpost':
        case 'delete':
        case 'poll_delete':
                if ( empty($post_id) )
                {
                        message_die(GENERAL_MESSAGE, $lang['No_post_id']);
                }

                $select_sql = ( !$submit ) ? ", t.topic_title, p.enable_bbcode, p.enable_html, p.enable_smilies, p.enable_sig, p.post_username, pt.post_subject, pt.post_text, pt.bbcode_uid, u.username, u.user_id, u.user_sig" : '';
                $from_sql = ( !$submit ) ? ", " . POSTS_TEXT_TABLE . " pt, " . USERS_TABLE . " u" : '';
                $where_sql = ( !$submit ) ? "AND pt.post_id = p.post_id AND u.user_id = p.poster_id" : '';

                $sql = "SELECT f.*, t.topic_id, t.topic_status, t.topic_type, t.topic_first_post_id, t.topic_last_post_id, t.topic_vote, p.post_id, p.poster_id" . $select_sql . "
                        FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t, " . FORUMS_TABLE . " f" . $from_sql . "
                        WHERE p.post_id = '$post_id'
                                AND t.topic_id = p.topic_id
                                AND f.forum_id = p.forum_id
                                $where_sql";
                break;

        default:
                message_die(GENERAL_MESSAGE, $lang['No_valid_mode']);
}

if ( $result = $db->sql_query($sql) )
{
        $post_info = $db->sql_fetchrow($result);
	$db->sql_freeresult($result);

        $forum_id = $post_info['forum_id'];
        $forum_name = $post_info['forum_name'];

        $is_auth = auth(AUTH_ALL, $forum_id, $userdata, $post_info);

        if ( $post_info['forum_status'] == FORUM_LOCKED && !$is_auth['auth_mod'])
        {
           message_die(GENERAL_MESSAGE, $lang['Forum_locked']);
        }
        else if ( $mode != 'newtopic' && $post_info['topic_status'] == TOPIC_LOCKED && !$is_auth['auth_mod'])
        {
           message_die(GENERAL_MESSAGE, $lang['Topic_locked']);
        }

        if ( $mode == 'editpost' || $mode == 'delete' || $mode == 'poll_delete' )
        {
                $topic_id = $post_info['topic_id'];

                $post_data['poster_post'] = ( $post_info['poster_id'] == $userdata['user_id'] ) ? true : false;
                $post_data['first_post'] = ( $post_info['topic_first_post_id'] == $post_id ) ? true : false;
                $post_data['last_post'] = ( $post_info['topic_last_post_id'] == $post_id ) ? true : false;
                $post_data['last_topic'] = ( $post_info['forum_last_post_id'] == $post_id ) ? true : false;
                $post_data['has_poll'] = ( $post_info['topic_vote'] ) ? true : false;
                $post_data['topic_type'] = $post_info['topic_type'];
                $post_data['poster_id'] = $post_info['poster_id'];

                if ( $post_data['first_post'] && $post_data['has_poll'] )
                {
                        $sql = "SELECT *
                                FROM " . VOTE_DESC_TABLE . " vd, " . VOTE_RESULTS_TABLE . " vr
                                WHERE vd.topic_id = '$topic_id'
                                        AND vr.vote_id = vd.vote_id
                                ORDER BY vr.vote_option_id";
                        if ( !($result = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain vote data for this topic', '', __LINE__, __FILE__, $sql);
                        }
			$db->sql_freeresult($result);

                        $poll_options = array();
                        $poll_results_sum = 0;
                        if ( $row = $db->sql_fetchrow($result) )
                        {
                                $poll_title = $row['vote_text'];
                                $poll_id = $row['vote_id'];
                                $poll_length = $row['vote_length'] / 86400;

                                do
                                {
                                        $poll_options[$row['vote_option_id']] = $row['vote_option_text'];
                                        $poll_results_sum += $row['vote_result'];
                                }
                                while ( $row = $db->sql_fetchrow($result) );
                        }
			$db->sql_freeresult($result);

                        $post_data['edit_poll'] = ( ( !$poll_results_sum || $is_auth['auth_mod'] ) && $post_data['first_post'] ) ? true : 0;
                }
                else
                {
                        $post_data['edit_poll'] = ($post_data['first_post'] && $is_auth['auth_pollcreate']) ? true : false;
                }

                //
                // Can this user edit/delete the post/poll?
                //
                if ( $post_info['poster_id'] != $userdata['user_id'] && !$is_auth['auth_mod'] )
                {
                        $message = ( $delete || $mode == 'delete' ) ? $lang['Delete_own_posts'] : $lang['Edit_own_posts'];
                        $message .= '<br /><br />' . sprintf($lang['Click_return_topic'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');

                        message_die(GENERAL_MESSAGE, $message);
                }
                else if ( !$post_data['last_post'] && !$is_auth['auth_mod'] && ( $mode == 'delete' || $delete ) )
                {
                        message_die(GENERAL_MESSAGE, $lang['Cannot_delete_replied']);
                }
                else if ( !$post_data['edit_poll'] && !$is_auth['auth_mod'] && ( $mode == 'poll_delete' || $poll_delete ) )
                {
                        message_die(GENERAL_MESSAGE, $lang['Cannot_delete_poll']);
                }
        }
        else
        {
                if ( $mode == 'quote' )
                {
                        $topic_id = $post_info['topic_id'];
                }

                $post_data['first_post'] = ( $mode == 'newtopic' ) ? true : 0;
                $post_data['last_post'] = false;
                $post_data['has_poll'] = false;
                $post_data['edit_poll'] = false;
        }
}
else
{
        message_die(GENERAL_MESSAGE, $lang['No_such_post']);
}

//
// The user is not authed, if they're not logged in then redirect
// them, else show them an error message
//
if ( !$is_auth[$is_auth_type] )
{
        if ( $userdata['session_logged_in'] )
        {
                message_die(GENERAL_MESSAGE, sprintf($lang['Sorry_' . $is_auth_type], $is_auth[$is_auth_type . "_type"]));
        }

        switch( $mode )
        {
                case 'newtopic':
                        $redirect = "mode=newtopic&" . POST_FORUM_URL . "=" . $forum_id;
                        break;
                case 'reply':
                case 'topicreview':
                        $redirect = "mode=reply&" . POST_TOPIC_URL . "=" . $topic_id;
                        break;
                case 'quote':
                case 'editpost':
                        $redirect = "mode=quote&" . POST_POST_URL ."=" . $post_id;
                        break;
        }

        $header_location = ( @preg_match('/Microsoft|WebSTAR|Xitami/', $_SERVER['SERVER_SOFTWARE']) ) ? 'Refresh: 0; URL=' : 'Location: ';
        header($header_location . append_sid("login.$phpEx?redirect=posting.$phpEx&" . $redirect, true));
        exit;
}

//
// Set toggles for various options
//
if ( !$board_config['allow_html'] )
{
        $html_on = 0;
}
else
{
        $html_on = ( $submit || $refresh ) ? ( ( !empty($HTTP_POST_VARS['disable_html']) ) ? 0 : TRUE ) : ( ( $userdata['user_id'] == ANONYMOUS ) ? $board_config['allow_html'] : $userdata['user_allowhtml'] );
}

if ( !$board_config['allow_bbcode'] )
{
        $bbcode_on = 0;
}
else
{
        $bbcode_on = ( $submit || $refresh ) ? ( ( !empty($HTTP_POST_VARS['disable_bbcode']) ) ? 0 : TRUE ) : ( ( $userdata['user_id'] == ANONYMOUS ) ? $board_config['allow_bbcode'] : $userdata['user_allowbbcode'] );
}

if ( !$board_config['allow_smilies'] )
{
        $smilies_on = 0;
}
else
{
        $smilies_on = ( $submit || $refresh ) ? ( ( !empty($HTTP_POST_VARS['disable_smilies']) ) ? 0 : TRUE ) : ( ( $userdata['user_id'] == ANONYMOUS ) ? $board_config['allow_smilies'] : $userdata['user_allowsmile'] );
}

if ( ($submit || $refresh) && $is_auth['auth_read'])
{
        $notify_user = ( !empty($HTTP_POST_VARS['notify']) ) ? TRUE : 0;
}
else
{
        if ( $mode != 'newtopic' && $userdata['session_logged_in'] && $is_auth['auth_read'] )
        {
                $sql = "SELECT topic_id
                        FROM " . TOPICS_WATCH_TABLE . "
                        WHERE topic_id = '$topic_id'
                                AND user_id = " . $userdata['user_id'];
                if ( !($result = $db->sql_query($sql)) )
                {
                        message_die(GENERAL_ERROR, 'Could not obtain topic watch information', '', __LINE__, __FILE__, $sql);
                }

                $notify_user = ( $db->sql_fetchrow($result) ) ? TRUE : $userdata['user_notify'];
		$db->sql_freeresult($result);
        }
        else
        {
                $notify_user = ( $userdata['session_logged_in'] && $is_auth['auth_read'] ) ? $userdata['user_notify'] : 0;
        }
}

$attach_sig = ( $submit || $refresh ) ? ( ( !empty($HTTP_POST_VARS['attach_sig']) ) ? TRUE : 0 ) : ( ( $userdata['user_id'] == ANONYMOUS ) ? 0 : $userdata['user_attachsig'] );

// --------------------
//  What shall we do?
//
if ( ( $delete || $poll_delete || $mode == 'delete' ) && !$confirm )
{
        //
        // Confirm deletion
        //
        $s_hidden_fields = '<input type="hidden" name="' . POST_POST_URL . '" value="' . $post_id . '" />';
        $s_hidden_fields .= ( $delete || $mode == "delete" ) ? '<input type="hidden" name="mode" value="delete" />' : '<input type="hidden" name="mode" value="poll_delete" />';

        $l_confirm = ( $delete || $mode == 'delete' ) ? $lang['Confirm_delete'] : $lang['Confirm_delete_poll'];

        //
        // Output confirmation page
        //
        include("includes/page_header.php");

        $template->set_filenames(array(
                'confirm_body' => 'confirm_body.tpl')
        );

        $template->assign_vars(array(
                'MESSAGE_TITLE' => $lang['Information'],
                'MESSAGE_TEXT' => $l_confirm,

                'L_YES' => $lang['Yes'],
                'L_NO' => $lang['No'],

                'S_CONFIRM_ACTION' => append_sid("posting.$phpEx"),
                'S_HIDDEN_FIELDS' => $s_hidden_fields)
        );

        $template->pparse('confirm_body');

        include("includes/page_tail.php");
}
else if ( $mode == 'vote' )
{
        //
        // Vote in a poll
        //
        if ( !empty($HTTP_POST_VARS['vote_id']) )
        {
                $vote_option_id = intval($HTTP_POST_VARS['vote_id']);

                $sql = "SELECT vd.vote_id
                        FROM " . VOTE_DESC_TABLE . " vd, " . VOTE_RESULTS_TABLE . " vr
                        WHERE vd.topic_id = '$topic_id'
                                AND vr.vote_id = vd.vote_id
                                AND vr.vote_option_id = '$vote_option_id'
                        GROUP BY vd.vote_id";
                if ( !($result = $db->sql_query($sql)) )
                {
                        message_die(GENERAL_ERROR, 'Could not obtain vote data for this topic', '', __LINE__, __FILE__, $sql);
                }

                if ( $vote_info = $db->sql_fetchrow($result) )
                {
                        $vote_id = $vote_info['vote_id'];

                        $sql = "SELECT *
                                FROM " . VOTE_USERS_TABLE . "
                                WHERE vote_id = '$vote_id'
                                        AND vote_user_id = " . $userdata['user_id'];
			if ( !($result2 = $db->sql_query($sql)) )
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain user vote data for this topic', '', __LINE__, __FILE__, $sql);
                        }

                        if ( !($row = $db->sql_fetchrow($result)) )
                        {
                                $sql = "UPDATE " . VOTE_RESULTS_TABLE . "
                                        SET vote_result = vote_result + 1
                                        WHERE vote_id = '$vote_id'
                                                AND vote_option_id = '$vote_option_id'";
                                if ( !$db->sql_query($sql, BEGIN_TRANSACTION) )
                                {
                                        message_die(GENERAL_ERROR, 'Could not update poll result', '', __LINE__, __FILE__, $sql);
                                }

                                $sql = "INSERT INTO " . VOTE_USERS_TABLE . " (vote_id, vote_user_id, vote_user_ip)
                                        VALUES ('$vote_id', " . $userdata['user_id'] . ", '$user_ip')";
                                if ( !$db->sql_query($sql, END_TRANSACTION) )
                                {
                                        message_die(GENERAL_ERROR, "Could not insert user_id for poll", "", __LINE__, __FILE__, $sql);
                                }

                                $message = $lang['Vote_cast'];
                        }
                        else
                        {
                                $message = $lang['Already_voted'];
                        }
			$db->sql_freeresult($result2);
                }
                else
                {
                        $message = $lang['No_vote_option'];
                }
		$db->sql_freeresult($result);

                $template->assign_vars(array(
                        'META' => '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">')
                );
                $message .=  '<br /><br />' . sprintf($lang['Click_view_message'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');
                message_die(GENERAL_MESSAGE, $message);
        }
        else
        {
                redirect(append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id", true));
        }
}
else if ( $submit || $confirm )
{
        //
        // Submit post/vote (newtopic, edit, reply, etc.)
        //
        $return_message = '';
        $return_meta = '';

        switch ( $mode )
        {
                case 'editpost':
                case 'newtopic':
                case 'reply':
                        $username = ( !empty($HTTP_POST_VARS['username']) ) ? $HTTP_POST_VARS['username'] : '';
                        $subject = ( !empty($HTTP_POST_VARS['subject']) ) ? trim($HTTP_POST_VARS['subject']) : '';
                        $message = ( !empty($HTTP_POST_VARS['message']) ) ? $HTTP_POST_VARS['message'] : '';
                        $poll_title = ( isset($HTTP_POST_VARS['poll_title']) && $is_auth['auth_pollcreate'] ) ? $HTTP_POST_VARS['poll_title'] : '';
                        $poll_options = ( isset($HTTP_POST_VARS['poll_option_text']) && $is_auth['auth_pollcreate'] ) ? $HTTP_POST_VARS['poll_option_text'] : '';
                        $poll_length = ( isset($HTTP_POST_VARS['poll_length']) && $is_auth['auth_pollcreate'] ) ? $HTTP_POST_VARS['poll_length'] : '';
                        $bbcode_uid = '';

                        prepare_post($mode, $post_data, $bbcode_on, $html_on, $smilies_on, $error_msg, $username, $bbcode_uid, $subject, $message, $poll_title, $poll_options, $poll_length);

                        if ( $error_msg == '' )
                        {
                                $topic_type = ( $topic_type != $post_data['topic_type'] && !$is_auth['auth_sticky'] && !$is_auth['auth_announce'] ) ? $post_data['topic_type'] : $topic_type;

                                submit_post($mode, $post_data, $return_message, $return_meta, $forum_id, $topic_id, $post_id, $poll_id, $topic_type, $bbcode_on, $html_on, $smilies_on, $attach_sig, $bbcode_uid, str_replace("\'", "''", $username), str_replace("\'", "''", $subject), str_replace("\'", "''", $message), str_replace("\'", "''", $poll_title), $poll_options, $poll_length);
                        }
                        break;

                case 'delete':
                case 'poll_delete':
                        delete_post($mode, $post_data, $return_message, $return_meta, $forum_id, $topic_id, $post_id, $poll_id);
                        break;
        }

        if ( $error_msg == '' )
        {
                if ( $mode != 'editpost' )
                {
                        $user_id = ( $mode == 'reply' || $mode == 'newtopic' ) ? $userdata['user_id'] : $post_data['poster_id'];
                        update_post_stats($mode, $post_data, $forum_id, $topic_id, $post_id, $user_id);
                }

                if ($error_msg == '' && $mode != 'poll_delete')
                {
                        user_notification($mode, $post_data, $post_info['topic_title'], $forum_id, $topic_id, $post_id, $notify_user);
                }

                if ( $mode == 'newtopic' || $mode == 'reply' )
                {
                        $tracking_topics = ( !empty($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_t']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_t']) : array();
                        $tracking_forums = ( !empty($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f']) ) ? unserialize($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_f']) : array();

                        if ( count($tracking_topics) + count($tracking_forums) == 100 && empty($tracking_topics[$topic_id]) )
                        {
                                asort($tracking_topics);
                                unset($tracking_topics[key($tracking_topics)]);
                        }

                        $tracking_topics[$topic_id] = time();

                        setcookie($board_config['cookie_name'] . '_t', serialize($tracking_topics), 0, $board_config['cookie_path'], $board_config['cookie_domain'], $board_config['cookie_secure']);
                }

                $template->assign_vars(array(
                        'META' => $return_meta)
                );
                message_die(GENERAL_MESSAGE, $return_message);
        }
}

if( $refresh || isset($HTTP_POST_VARS['del_poll_option']) || $error_msg != '' )
{
        $username = ( !empty($HTTP_POST_VARS['username']) ) ? htmlspecialchars(trim(stripslashes($HTTP_POST_VARS['username']))) : '';
        $subject = ( !empty($HTTP_POST_VARS['subject']) ) ? htmlspecialchars(trim(stripslashes($HTTP_POST_VARS['subject']))) : '';
        $message = ( !empty($HTTP_POST_VARS['message']) ) ? htmlspecialchars(trim(stripslashes($HTTP_POST_VARS['message']))) : '';

        $poll_title = ( !empty($HTTP_POST_VARS['poll_title']) ) ? htmlspecialchars(trim(stripslashes($HTTP_POST_VARS['poll_title']))) : '';
        $poll_length = ( isset($HTTP_POST_VARS['poll_length']) ) ? max(0, intval($HTTP_POST_VARS['poll_length'])) : 0;

        $poll_options = array();
        if ( !empty($HTTP_POST_VARS['poll_option_text']) )
        {
                while( list($option_id, $option_text) = @each($HTTP_POST_VARS['poll_option_text']) )
                {
                        if( isset($HTTP_POST_VARS['del_poll_option'][$option_id]) )
                        {
                                unset($poll_options[$option_id]);
                        }
                        else if ( !empty($option_text) )
                        {
                                $poll_options[$option_id] = htmlspecialchars(trim(stripslashes($option_text)));
                        }
                }
        }

        if ( isset($poll_add) && !empty($HTTP_POST_VARS['add_poll_option_text']) )
        {
                $poll_options[] = htmlspecialchars(trim(stripslashes($HTTP_POST_VARS['add_poll_option_text'])));
        }

        if ( $mode == 'newtopic' || $mode == 'reply')
        {
                $user_sig = ( $userdata['user_sig'] != '' && $board_config['allow_sig'] ) ? $userdata['user_sig'] : '';
        }
        else if ( $mode == 'editpost' )
        {
                $user_sig = ( $post_info['user_sig'] != '' && $board_config['allow_sig'] ) ? $post_info['user_sig'] : '';
        }

        if( $preview )
        {
                $orig_word = array();
                $replacement_word = array();
                obtain_word_list($orig_word, $replacement_word);

                $bbcode_uid = ( $bbcode_on ) ? make_bbcode_uid() : '';
                $preview_message = stripslashes(prepare_message(addslashes(unprepare_message($message)), $html_on, $bbcode_on, $smilies_on, $bbcode_uid));
                $preview_subject = $subject;
                $preview_username = $username;

                //
                // Finalise processing as per viewtopic
                //
                if( !$html_on )
                {
                        if( $user_sig != '' || !$userdata['user_allowhtml'] )
                        {
                                $user_sig = preg_replace('#(<)([\/]?.*?)(>)#is', '&lt;\2&gt;', $user_sig);
                        }
                }

                if( $attach_sig && $user_sig != '' && $userdata['user_sig_bbcode_uid'] )
                {
                        $user_sig = bbencode_second_pass($user_sig, $userdata['user_sig_bbcode_uid']);
                }

                if( $bbcode_on )
                {
                        $preview_message = bbencode_second_pass($preview_message, $bbcode_uid);
                }

                if( !empty($orig_word) )
                {
                        $preview_username = ( !empty($username) ) ? preg_replace($orig_word, $replacement_word, $preview_username) : '';
                        $preview_subject = ( !empty($subject) ) ? preg_replace($orig_word, $replacement_word, $preview_subject) : '';
                        $preview_message = ( !empty($preview_message) ) ? preg_replace($orig_word, $replacement_word, $preview_message) : '';
                }

                if( $user_sig != '' )
                {
                        $user_sig = make_clickable($user_sig);
                }
                $preview_message = make_clickable($preview_message);

                if( $smilies_on )
                {
                        if( $userdata['user_allowsmile'] && $user_sig != '' )
                        {
                                $user_sig = smilies_pass($user_sig);
                        }

                        $preview_message = smilies_pass($preview_message);
                }

                if( $attach_sig && $user_sig != '' )
                {
                        $preview_message = $preview_message . '<br /><br />_________________<br />' . $user_sig;
                }

                $preview_message = str_replace("\n", '<br />', $preview_message);

                $template->set_filenames(array(
                        'preview' => 'posting_preview.tpl')
                );

                $template->assign_vars(array(
                        'TOPIC_TITLE' => $preview_subject,
                        'POST_SUBJECT' => $preview_subject,
                        'POSTER_NAME' => $preview_username,
                        'POST_DATE' => create_date($board_config['default_dateformat'], time(), $board_config['board_timezone']),
                        'MESSAGE' => $preview_message,

                        'L_POST_SUBJECT' => $lang['Post_subject'],
                        'L_PREVIEW' => $lang['Preview'],
                        'L_POSTED' => $lang['Posted'],
                        'L_POST' => $lang['Post'])
                );
                $template->assign_var_from_handle('POST_PREVIEW_BOX', 'preview');
        }
        else if( $error_msg != '' )
        {
                $template->set_filenames(array(
                        'reg_header' => 'error_body.tpl')
                );
                $template->assign_vars(array(
                        'ERROR_MESSAGE' => $error_msg)
                );
                $template->assign_var_from_handle('ERROR_BOX', 'reg_header');
        }
}
else
{
        //
        // User default entry point
        //
        if ( $mode == 'newtopic' )
        {
                $user_sig = ( $userdata['user_sig'] != '' ) ? $userdata['user_sig'] : '';

                $username = ($userdata['session_logged_in']) ? $userdata['username'] : '';
                $poll_title = '';
                $poll_length = '';
                $subject = '';
                $message = '';
        }
        else if ( $mode == 'reply' )
        {
                $user_sig = ( $userdata['user_sig'] != '' ) ? $userdata['user_sig'] : '';

                $username = ( $userdata['session_logged_in'] ) ? $userdata['username'] : '';
                $subject = '';
                $message = '';

        }
        else if ( $mode == 'quote' || $mode == 'editpost' )
        {
                $subject = ( $post_data['first_post'] ) ? $post_info['topic_title'] : $post_info['post_subject'];
                $message = $post_info['post_text'];

                if ( $mode == 'editpost' )
                {
                        $attach_sig = ( $post_info['enable_sig'] && $post_info['user_sig'] != '' ) ? TRUE : 0;
                        $user_sig = $post_info['user_sig'];

                        $html_on = ( $post_info['enable_html'] ) ? true : false;
                        $bbcode_on = ( $post_info['enable_bbcode'] ) ? true : false;
                        $smilies_on = ( $post_info['enable_smilies'] ) ? true : false;
                }
                else
                {
                        $attach_sig = ( $userdata['user_attachsig'] ) ? TRUE : 0;
                        $user_sig = $userdata['user_sig'];
                }

                if ( $post_info['bbcode_uid'] != '' )
                {
                        $message = preg_replace('/\:(([a-z0-9]:)?)' . $post_info['bbcode_uid'] . '/s', '', $message);
                }

                $message = str_replace('<', '&lt;', $message);
                $message = str_replace('>', '&gt;', $message);
                $message = str_replace('<br />', "\n", $message);

                if ( $mode == 'quote' )
                {
                        $orig_word = array();
                        $replacement_word = array();
                        obtain_word_list($orig_word, $replace_word);

                        $msg_date =  create_date($board_config['default_dateformat'], $postrow['post_time'], $board_config['board_timezone']);

                        // Use trim to get rid of spaces placed there by MS-SQL 2000
                        $quote_username = ( trim($post_info['post_username']) != '' ) ? $post_info['post_username'] : $post_info['username'];
                        $message = '[quote="' . $quote_username . '"]' . $message . '[/quote]';

                        if ( !empty($orig_word) )
                        {
                                $subject = ( !empty($subject) ) ? preg_replace($orig_word, $replace_word, $subject) : '';
                                $message = ( !empty($message) ) ? preg_replace($orig_word, $replace_word, $message) : '';
                        }

                        if ( !preg_match('/^Re:/', $subject) && strlen($subject) > 0 )
                        {
                                $subject = 'Re: ' . $subject;
                        }

                        $mode = 'reply';
                }
                else
                {
                        $username = ( $post_info['user_id'] == ANONYMOUS && !empty($post_info['post_username']) ) ? $post_info['post_username'] : '';
                }
        }
}

//
// Signature toggle selection
//
if( $user_sig != '' )
{
        $template->assign_block_vars('switch_signature_checkbox', array());
}

//
// HTML toggle selection
//
if ( $board_config['allow_html'] )
{
        $html_status = $lang['HTML_is_ON'];
        $template->assign_block_vars('switch_html_checkbox', array());
}
else
{
        $html_status = $lang['HTML_is_OFF'];
}

//
// BBCode toggle selection
//
if ( $board_config['allow_bbcode'] )
{
        $bbcode_status = $lang['BBCode_is_ON'];
        $template->assign_block_vars('switch_bbcode_checkbox', array());
}
else
{
        $bbcode_status = $lang['BBCode_is_OFF'];
}

//
// Smilies toggle selection
//
if ( $board_config['allow_smilies'] )
{
        $smilies_status = $lang['Smilies_are_ON'];
        $template->assign_block_vars('switch_smilies_checkbox', array());
}
else
{
        $smilies_status = $lang['Smilies_are_OFF'];
}

if( !$userdata['session_logged_in'] || ( $mode == 'editpost' && $post_info['poster_id'] == ANONYMOUS ) )
{
        $template->assign_block_vars('switch_username_select', array());
}

//
// Notify checkbox - only show if user is logged in
//
if ( $userdata['session_logged_in'] && $is_auth['auth_read'] )
{
        if ( $mode != 'editpost' || ( $mode == 'editpost' && $post_info['poster_id'] != ANONYMOUS ) )
        {
                $template->assign_block_vars('switch_notify_checkbox', array());
        }
}

//
// Delete selection
//
if ( $mode == 'editpost' && ( ( $is_auth['auth_delete'] && $post_data['last_post'] && ( !$post_data['has_poll'] || $post_data['edit_poll'] ) ) || $is_auth['auth_mod'] ) )
{
        $template->assign_block_vars('switch_delete_checkbox', array());
}

//
// Topic type selection
//
$topic_type_toggle = '';
if ( $mode == 'newtopic' || ( $mode == 'editpost' && $post_data['first_post'] ) )
{
        $template->assign_block_vars('switch_type_toggle', array());

        if( $is_auth['auth_sticky'] )
        {
                $topic_type_toggle .= '<input type="radio" name="topictype" value="' . POST_STICKY . '"';
                if ( $post_data['topic_type'] == POST_STICKY || $topic_type == POST_STICKY )
                {
                        $topic_type_toggle .= ' checked="checked"';
                }
                $topic_type_toggle .= ' /> ' . $lang['Post_Sticky'] . '&nbsp;&nbsp;';
        }

        if( $is_auth['auth_announce'] )
        {
                $topic_type_toggle .= '<input type="radio" name="topictype" value="' . POST_ANNOUNCE . '"';
                if ( $post_data['topic_type'] == POST_ANNOUNCE || $topic_type == POST_ANNOUNCE )
                {
                        $topic_type_toggle .= ' checked="checked"';
                }
                $topic_type_toggle .= ' /> ' . $lang['Post_Announcement'] . '&nbsp;&nbsp;';
        }

        if ( $topic_type_toggle != '' )
        {
                $topic_type_toggle = $lang['Post_topic_as'] . ': <input type="radio" name="topictype" value="' . POST_NORMAL .'"' . ( ( $post_data['topic_type'] == POST_NORMAL || $topic_type == POST_NORMAL ) ? ' checked="checked"' : '' ) . ' /> ' . $lang['Post_Normal'] . '&nbsp;&nbsp;' . $topic_type_toggle;
        }
}

$hidden_form_fields = '<input type="hidden" name="mode" value="' . $mode . '" />';

switch( $mode )
{
        case 'newtopic':
                $page_title = $lang['Post_a_new_topic'];
                $hidden_form_fields .= '<input type="hidden" name="' . POST_FORUM_URL . '" value="' . $forum_id . '" />';
                break;

        case 'reply':
                $page_title = $lang['Post_a_reply'];
                $hidden_form_fields .= '<input type="hidden" name="' . POST_TOPIC_URL . '" value="' . $topic_id . '" />';
                break;

        case 'editpost':
                $page_title = $lang['Edit_Post'];
                $hidden_form_fields .= '<input type="hidden" name="' . POST_POST_URL . '" value="' . $post_id . '" />';
                break;
}

// Generate smilies listing for page output
generate_smilies('inline', PAGE_POSTING);

//
// Include page header
//
include("includes/page_header.php");

$template->set_filenames(array(
        'body' => 'posting_body.tpl',
        'pollbody' => 'posting_poll_body.tpl',
        'reviewbody' => 'posting_topic_review.tpl')
);
make_jumpbox('viewforum.'.$phpEx);

$template->assign_vars(array(
        'FORUM_NAME' => $forum_name,
        'L_POST_A' => $page_title,
        'L_POST_SUBJECT' => $lang['Post_subject'],

        'U_VIEW_FORUM' => append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id"))
);

//
// This enables the forum/topic title to be output for posting
// but not for privmsg (where it makes no sense)
//
$template->assign_block_vars('switch_not_privmsg', array());

//
// Output the data to the template
//
$template->assign_vars(array(
        'USERNAME' => $username,
        'SUBJECT' => $subject,
        'MESSAGE' => $message,
        'HTML_STATUS' => $html_status,
        'BBCODE_STATUS' => sprintf($bbcode_status, '<a href="' . append_sid("faq.$phpEx?mode=bbcode") . '" target="_phpbbcode">', '</a>'),
        'SMILIES_STATUS' => $smilies_status,

        'L_SUBJECT' => $lang['Subject'],
        'L_MESSAGE_BODY' => $lang['Message_body'],
        'L_OPTIONS' => $lang['Options'],
        'L_PREVIEW' => $lang['Preview'],
        'L_SPELLCHECK' => $lang['Spellcheck'],
        'L_SUBMIT' => $lang['Submit'],
        'L_CANCEL' => $lang['Cancel'],
        'L_CONFIRM_DELETE' => $lang['Confirm_delete'],
        'L_DISABLE_HTML' => $lang['Disable_HTML_post'],
        'L_DISABLE_BBCODE' => $lang['Disable_BBCode_post'],
        'L_DISABLE_SMILIES' => $lang['Disable_Smilies_post'],
        'L_ATTACH_SIGNATURE' => $lang['Attach_signature'],
        'L_NOTIFY_ON_REPLY' => $lang['Notify'],
        'L_DELETE_POST' => $lang['Delete_post'],

        'L_BBCODE_B_HELP' => $lang['bbcode_b_help'],
        'L_BBCODE_I_HELP' => $lang['bbcode_i_help'],
        'L_BBCODE_U_HELP' => $lang['bbcode_u_help'],
        'L_BBCODE_Q_HELP' => $lang['bbcode_q_help'],
        'L_BBCODE_C_HELP' => $lang['bbcode_c_help'],
        'L_BBCODE_L_HELP' => $lang['bbcode_l_help'],
        'L_BBCODE_O_HELP' => $lang['bbcode_o_help'],
        'L_BBCODE_P_HELP' => $lang['bbcode_p_help'],
        'L_BBCODE_W_HELP' => $lang['bbcode_w_help'],
        'L_BBCODE_A_HELP' => $lang['bbcode_a_help'],
        'L_BBCODE_S_HELP' => $lang['bbcode_s_help'],
        'L_BBCODE_F_HELP' => $lang['bbcode_f_help'],
        'L_EMPTY_MESSAGE' => $lang['Empty_message'],

        'L_FONT_COLOR' => $lang['Font_color'],
        'L_COLOR_DEFAULT' => $lang['color_default'],
        'L_COLOR_DARK_RED' => $lang['color_dark_red'],
        'L_COLOR_RED' => $lang['color_red'],
        'L_COLOR_ORANGE' => $lang['color_orange'],
        'L_COLOR_BROWN' => $lang['color_brown'],
        'L_COLOR_YELLOW' => $lang['color_yellow'],
        'L_COLOR_GREEN' => $lang['color_green'],
        'L_COLOR_OLIVE' => $lang['color_olive'],
        'L_COLOR_CYAN' => $lang['color_cyan'],
        'L_COLOR_BLUE' => $lang['color_blue'],
        'L_COLOR_DARK_BLUE' => $lang['color_dark_blue'],
        'L_COLOR_INDIGO' => $lang['color_indigo'],
        'L_COLOR_VIOLET' => $lang['color_violet'],
        'L_COLOR_WHITE' => $lang['color_white'],
        'L_COLOR_BLACK' => $lang['color_black'],

        'L_FONT_SIZE' => $lang['Font_size'],
        'L_FONT_TINY' => $lang['font_tiny'],
        'L_FONT_SMALL' => $lang['font_small'],
        'L_FONT_NORMAL' => $lang['font_normal'],
        'L_FONT_LARGE' => $lang['font_large'],
        'L_FONT_HUGE' => $lang['font_huge'],

        'L_BBCODE_CLOSE_TAGS' => $lang['Close_Tags'],
        'L_STYLES_TIP' => $lang['Styles_tip'],

        'U_VIEWTOPIC' => ( $mode == 'reply' ) ? append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id&amp;postorder=desc") : '',
        'U_REVIEW_TOPIC' => ( $mode == 'reply' ) ? append_sid("posting.$phpEx?mode=topicreview&amp;" . POST_TOPIC_URL . "=$topic_id&popup=1") : '',

        'S_HTML_CHECKED' => ( !$html_on ) ? 'checked="checked"' : '',
        'S_BBCODE_CHECKED' => ( !$bbcode_on ) ? 'checked="checked"' : '',
        'S_SMILIES_CHECKED' => ( !$smilies_on ) ? 'checked="checked"' : '',
        'S_SIGNATURE_CHECKED' => ( $attach_sig ) ? 'checked="checked"' : '',
        'S_NOTIFY_CHECKED' => ( $notify_user ) ? 'checked="checked"' : '',
        'S_TYPE_TOGGLE' => $topic_type_toggle,
        'S_TOPIC_ID' => $topic_id,
        'S_POST_ACTION' => append_sid("posting.$phpEx"),
        'S_HIDDEN_FORM_FIELDS' => $hidden_form_fields)
);

//
// Poll entry switch/output
//
if( ( $mode == 'newtopic' || ( $mode == 'editpost' && $post_data['edit_poll']) ) && $is_auth['auth_pollcreate'] )
{
        $template->assign_vars(array(
                'L_ADD_A_POLL' => $lang['Add_poll'],
                'L_ADD_POLL_EXPLAIN' => $lang['Add_poll_explain'],
                'L_POLL_QUESTION' => $lang['Poll_question'],
                'L_POLL_OPTION' => $lang['Poll_option'],
                'L_ADD_OPTION' => $lang['Add_option'],
                'L_UPDATE_OPTION' => $lang['Update'],
                'L_DELETE_OPTION' => $lang['Delete'],
                'L_POLL_LENGTH' => $lang['Poll_for'],
                'L_DAYS' => $lang['Days'],
                'L_POLL_LENGTH_EXPLAIN' => $lang['Poll_for_explain'],
                'L_POLL_DELETE' => $lang['Delete_poll'],

                'POLL_TITLE' => $poll_title,
                'POLL_LENGTH' => $poll_length)
        );

        if( $mode == 'editpost' && $post_data['edit_poll'] && $post_data['has_poll'])
        {
                $template->assign_block_vars('switch_poll_delete_toggle', array());
        }

        if( !empty($poll_options) )
        {
                while( list($option_id, $option_text) = each($poll_options) )
                {
                        $template->assign_block_vars('poll_option_rows', array(
                                'POLL_OPTION' => str_replace('"', '&quot;', $option_text),

                                'S_POLL_OPTION_NUM' => $option_id)
                        );
                }
        }

        $template->assign_var_from_handle('POLLBOX', 'pollbody');
}

//
// Topic review
//
if( $mode == 'reply' && $is_auth['auth_read'] )
{
        require("includes/topic_review.php");
        topic_review($topic_id, true);

        $template->assign_block_vars('switch_inline_mode', array());
        $template->assign_var_from_handle('TOPIC_REVIEW_BOX', 'reviewbody');
}

$template->pparse('body');

include("includes/page_tail.php");

?>
